int printf(const char *, ...);

int main(void) {
	double c1 = -15.3L;
	long double c2 = 22.5f;

	long double
		a = (long double) c1 + c2,
		b = c1 - c2,
		c = c1 * c2,
		d = c1 / c2;

	return printf("(%f, %Lf), %Lf, %Lf, %Lf, %Lf\n", c1, c2, a, b, c, d);
}
